Ellen Nold
Computers and Composition 26 (2009) 92–106 What is Humanistic about Computers and Writing? Historical Patterns and Contemporary Possibilities for the Field

Ellen W. Nold’s “Fear and Trembling: The Humanist Approaches the Computer” (1975) as one of the first articles published in computers and writing,
College Composition and Communication, 26(3), 269–273.
Also see:
Towards a Theory
The Discourse Matrix
The Present State of Scholarship...Rhetoric
An Analysis of Readers' Responses to Essays
How characteristics of student essays influence teachers' evaluations. ...
Writing Research: Multidisciplinary Inquiries into the Nature of Writing Series.